Question

Write the expansion of ( 4x - 3y)
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Answer 1

Answer:

hope it's ur answer

Step-by-step explanation:

We know, (a−b)3=a3−b3−3ab(a−b)

⟹ (a−b)3=a3−b3−3a2b+3ab2.

Then,

(4x−3y)3                       

=(4x)3−(3y)3 −3(4x)2(3y) +3(4x)(3y)2 

=64x3−144x2y+108xy2−27y3.